public MdrillDetailFdt(
SolrIndexSearcher _searcher, SegmentReader reader, SolrParams _params, SolrQueryRequest req) {
try {
this.hostId =
java.net.InetAddress.getLocalHost().getHostAddress()
+ ","
+ String.valueOf(java.net.InetAddress.getLocalHost().getHostName());
} catch (UnknownHostException e) {
hostId = java.util.UUID.randomUUID().toString();
}
this.segKey = reader.getSigmentUniqKey();
this.reader = reader;
this.req = req;
this.searcher = _searcher;
this.parse = new MdrillParseDetailFdt(_params);
this.crcget = _params.get("mdrill.crc.key.get", null);
this.recordCount = new RecordCountDetail();
this.params = _params;
}
@Override
public synchronized IndexReader reopen() throws CorruptIndexException, IOException {
IndexReader newInner = null;
SegmentInfos sinfos = new SegmentInfos();
sinfos.read(_dir);
int size = sinfos.size();
if (in instanceof MultiReader) {
// setup current reader list
List<IndexReader> boboReaderList = new LinkedList<IndexReader>();
ReaderUtil.gatherSubReaders((List<IndexReader>) boboReaderList, in);
Map<String, BoboIndexReader> readerMap = new HashMap<String, BoboIndexReader>();
for (IndexReader reader : boboReaderList) {
BoboIndexReader boboReader = (BoboIndexReader) reader;
SegmentReader sreader = (SegmentReader) (boboReader.in);
readerMap.put(sreader.getSegmentName(), boboReader);
}
ArrayList<BoboIndexReader> currentReaders = new ArrayList<BoboIndexReader>(size);
boolean isNewReader = false;
for (int i = 0; i < size; ++i) {
SegmentInfo sinfo = (SegmentInfo) sinfos.info(i);
BoboIndexReader breader = readerMap.remove(sinfo.name);
if (breader != null) {
// should use SegmentReader.reopen
// TODO: see LUCENE-2559
BoboIndexReader newReader = (BoboIndexReader) breader.reopen(true);
if (newReader != breader) {
isNewReader = true;
}
if (newReader != null) {
currentReaders.add(newReader);
}
} else {
isNewReader = true;
SegmentReader newSreader = SegmentReader.get(true, sinfo, 1);
breader =
BoboIndexReader.getInstanceAsSubReader(
newSreader, this._facetHandlers, this._runtimeFacetHandlerFactories);
breader._dir = _dir;
currentReaders.add(breader);
}
}
isNewReader = isNewReader || (readerMap.size() != 0);
if (!isNewReader) {
return this;
} else {
MultiReader newMreader =
new MultiReader(
currentReaders.toArray(new BoboIndexReader[currentReaders.size()]), false);
BoboIndexReader newReader =
BoboIndexReader.getInstanceAsSubReader(
newMreader, this._facetHandlers, this._runtimeFacetHandlerFactories);
newReader._dir = _dir;
return newReader;
}
} else if (in instanceof SegmentReader) {
// should use SegmentReader.reopen
// TODO: see LUCENE-2559
SegmentReader sreader = (SegmentReader) in;
int numDels = sreader.numDeletedDocs();
SegmentInfo sinfo = null;
boolean sameSeg = false;
// get SegmentInfo instance
for (int i = 0; i < size; ++i) {
SegmentInfo sinfoTmp = (SegmentInfo) sinfos.info(i);
if (sinfoTmp.name.equals(sreader.getSegmentName())) {
int numDels2 = sinfoTmp.getDelCount();
sameSeg = numDels == numDels2;
sinfo = sinfoTmp;
break;
}
}
if (sinfo == null) {
// segment no longer exists
return null;
}
if (sameSeg) {
return this;
} else {
SegmentReader newSreader = SegmentReader.get(true, sinfo, 1);
return BoboIndexReader.getInstanceAsSubReader(
newSreader, this._facetHandlers, this._runtimeFacetHandlerFactories);
}
} else {
// should not reach here, a catch-all default case
IndexReader reader = in.reopen(true);
if (in != reader) {
return BoboIndexReader.getInstance(
newInner, _facetHandlers, _runtimeFacetHandlerFactories, _workArea);
} else {
return this;
}
}
}
